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Cheap Mercedes Benz Slk cars under £20,000

With a budget of £20,000 you can grab a great bargain. Most of the cars advertised on our site are heavily reduced in price and come with a free history check

120 Mercedes Benz Slk cars under £20,000 - 41 reductions


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Recently reduced (41)

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 Daniel Alexander Motor Group Limited, Melton Lane Signal Box, North Ferriby

£18,991
Was £19,991 Save £1,000

Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)

2009  |   56,555 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Features on this model include climate control, radio, bluetooth, wind deflector, service history, full service history, pas, centre console storage, mp3 compatible, speakers, sports suspension, audio, cd, passenger, alloys, audio 20, bluetooth system, centre console, alloy wheels...eee

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 St James Motor Company William Street, 4 Muira Estate, Hampshire

£17,490
Was £19,490 Save £2,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)

2007  |   61,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Features include black, driver, air bag, cruise control, parktronic, climate control, alarm, exterior lighting, adjustable steering column/wheel, alloy wheels, electronic stability programme, service history, computer, heated seats, headlamp wash, central door lockin...eee

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 SKS Cars Ltd, 1-9 Barton Road, Milton Keynes

£16,695
Was £16,995 Save £300

Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)

2015  |   30,000 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

Options include We have much more to tell you about this car so please feel free to call us for more details...eee

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 M&W Automotive LTD, Unit 6 Fleet Marston Farm, Aylesbury

£12,750
Was £12,995 Save £245

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

2016  |   52,704 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Includes airbags, heated seats, leather, automatic, navigation system, black, driver, airbag, part exchange welcome, alloy wheels, mot, service history, finance available, 18in alloy wheels, anti lock braking system, abs, air con, air conditioning...eee

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 Egerton Cars Ltd, Blackburn Road , Bolton

£11,799
Was £11,995 Save £196

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

2016  |   62,597 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

This model has warranty, alloy wheels, audio, heated seats, convertible, air con, audio 20, air conditioning, driver, diesel, sat nav, automatic, cd, heated front seats, passenger, abs, radio, airbag, airbags, anti lock braking system, parktronic, black, heated fro...eee

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 Troon Cars LTD, 33 Wenlock Way, Leicester

£10,500
Was £11,500 Save £1,000

Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)

2015  |   47,200 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Featuring audio 20, air conditioning, heated seats, bluetooth interface, cd, brake assist, climate control, navigation system, hpi clear, cruise control, leather interior, alarm, radio, finance available, part exchange welcome, wind deflector, heated front sea...eee

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 Andrews of Otterbourne, Norlands Drive, Winchester

£10,495
Was £10,995 Save £500

Mercedes Benz SLK 3.0 SLK280 7G Tronic 2dr

2007  |   24,700 miles  |   Convertible  |   2996  |   petrol  |   automatic  |   0 doors

Description includes alloy wheels, tinted glass, third brake light, leather, spare wheel, fog lights, electric windows (front), side protection mouldings, adjustable steering column/wheel, power assisted steering, electronic stability programme, computer, pas, traction c...eee

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 Harveys Car Centre Scaynes Hill, Lewes Road, West Sussex

£9,995
Was £10,495 Save £500

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

2015  |   66,000 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Comes with pas, low mileage, full leather, air conditioning, brake assist, driver, black, warranty, bluetooth interface, air con, audio 20, leather, alloy wheels, passenger, abs, anti lock braking system, bluetooth, audio, radio, airbag, alloys, alarm, service ...eee

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 Manor Garage, Crossroads Farm, Kingsdown, Box

£9,750
Was £9,950 Save £200

Mercedes Benz SLK SLK 200 BlueEFFICIENCY AMG Sport 2dr Tip Auto

2012  |   54,000 miles  |   Convertible  |   1796  |   petrol  |   automatic  |   2 doors

Includes esp, 18in alloy wheels, tyre pressure loss warning system, navigation system, cruise control, air con, air conditioning, sports suspension, electronic stability programme, dab digital radio, radio, usb, speakers, tinted glass, wind deflector, head re...eee

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 Prestige Car Supermarket, A19 Crockey Hill, York

£9,699
Was £10,799 Save £1,100

Mercedes Benz SLK 2.1 SLK250 CDI Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)

2014  |   36,624 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

This model has convertible, air con, driver, pas, automatic transmission, black, leather steering wheel, aluminium trim, abs, leather, dab digital radio, cloth interior, esp, diesel, black cloth interior, air conditioning, side airbags, daytime running lights, crui...eee





120 cars under £20,000

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 Derby Trade Cars Limited Derby, Ascot Drive, Derbyshire

£19,990

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS+7GT Euro 5 (s/s) (421 ps)

2013  |   56,000 miles  |   Convertible  |   5461  |   petrol  |   automatic  |   2 doors

With heated seats, sunroof, leather seats, panoramic sunroof, sat nav, service history, led daytime running lights, automatic headlights, cruise control, audio, paddle shift, radio, daytime running lights, alloys, automatic, leather, bluetooth audio strea...eee

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 Daniel Alexander Motor Group Limited, Melton Lane Signal Box, North Ferriby

£18,991
Was £19,991 Save £1,000

Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)

2009  |   56,555 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Options include bluetooth interface, sports suspension, passenger, centre console storage, speakers, wind deflector, auto climate control, bluetooth, audio, audio 20, alloys, pas, full service history, centre console, radio, mp3 compatible, bluetooth system, service...eee

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 St James Motor Company William Street, 4 Muira Estate, Hampshire

£17,490
Was £19,490 Save £2,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)

2007  |   61,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Comes with bluetooth, adjustable steering column/wheel, computer, air bag, parktronic, alarm, heated seats, full service history, steering wheel leather, anti lock brakes, electronic stability programme, immobiliser, climate control, adjustable steering column,...eee

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 Integrity Automotive Limited, West End Road, Ipswich

£17,350

Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)

2012  |   79,431 miles  |   Convertible  |   5461  |   petrol  |   automatic  |   2 doors

This model has pas, airbags, service history, air con, alarm, driver, automatic transmission, airbag, abs, automatic, alloy wheels, 18in alloy wheels, anti lock braking system, black, passenger, leather, air conditioning, leather interior, immobiliser...eee

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 SKS Cars Ltd, 1-9 Barton Road, Milton Keynes

£16,695
Was £16,995 Save £300

Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)

2015  |   30,000 miles  |   Convertible  |   3498  |   petrol  |   automatic  |   2 doors

With We have much more to tell you about this car so please feel free to call us for more details...eee

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 Snippersgate, Easington Lane, Houghton-Le-Spring

£15,000

Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2d 5439cc 7G Tronic

2007  |   63,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

Features on this model include climate control, electric windows (front), central door locking, spare wheel, leather, adjustable steering column/wheel, driver, alloy wheels, electric windows, speakers, adjustable steering column, steering wheel mounted controls, air bag...eee

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 RJ Cars Horley Ltd, The Old Forge, Horley

£14,995

Mercedes Benz SLK SLK 300 AMG Sport 2dr Tip Auto

2015  |   39,000 miles  |   Convertible  |   1991  |   petrol  |   automatic  |   0 doors

Includes daytime running lights, led daytime running lights, leather, full service history, convertible, computer, black, service history, mot, leather interior, trip computer, sports seats, alloys, registered keeper, petrol...eee

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 Snippersgate, Easington Lane, Houghton-Le-Spring

£14,000

Mercedes Benz SLK 5.4 SLK55 AMG 2d AUTO 356 BHP

2007  |   40,000 miles  |   Convertible  |   5439  |   petrol  |   automatic  |   2 doors

With third brake light, electronic stability programme, air bag passenger, spare wheel, passenger, computer, leather, steering wheel mounted controls, electric windows, air bag driver, exterior lighting, tinted glass, immobiliser, air bag, climate control...eee

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 Troon Cars LTD, 33 Wenlock Way, Leicester

£12,990

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

2016  |   56,500 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

Features on this model include daytime running lights, alloy wheels, air conditioning, air con, parktronic, audio, audio 20, automatic gearbox, 2 owners, radio, bluetooth, parking sensors, 18in alloy wheels, climate control, speed limiter, dab digital radio, heated front seat, rea...eee

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 M&W Automotive LTD, Unit 6 Fleet Marston Farm, Aylesbury

£12,750
Was £12,995 Save £245

Mercedes Benz SLK 2.1 SLK250d AMG Sport Convertible 2dr Diesel G Tronic Euro 6 (s/s) (204 ps)

2016  |   52,704 miles  |   Convertible  |   2143  |   diesel  |   automatic  |   2 doors

This car has air conditioning, anti lock braking system, driver, alloy wheels, part exchange welcome, finance available, automatic, airbags, black, service history, leather, mot, 18in alloy wheels, abs, navigation system, air con, heated seats, airbag...eee






We currently have 120 Mercedes Benz Slk cars available across the UK priced under £20000.

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